Fig. 1From: Femoroacetabular Impingement Randomised controlled Trial (FIRST) - a multi-centre randomized controlled trial comparing arthroscopic lavage and arthroscopic osteochondroplasty on patient important outcomes and quality of life in the treatment of young adult (18–50 years) femoroacetabular impingement: a statistical analysis planFemoroacetabular Impingement Randomised controlled Trial (FIRST) process overview. MRI, magnetic resonance imaging; MRA, magnetic resonance angiography; FAI, femoroacetabular impingement; VAS, visual analogue scale; HOS, Hip Outcome Score; iHOT, International Hip Outcome Tool; SF-12 Short Form-12; EQ-5D, EuroQol-5 DimensionsBack to article page